It was to help black slaves and poor white people in the south after the Civil War.
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Hey there,
The answer is actually D) The cost to global systems as carbon emissions increase from fossil fuel combustion, leading to climate changes.
Hope this helps :D
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Branching tree diagrams are groups within groups. Starting at the bottom, organisms branch off as characteristics are added. ... It's in this way that branching tree diagrams are useful for understanding evolutionary relationships between different organisms.
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